Try to turn the compressor by hand. It should be possible to turn it around. It should turn around smoothly, without any ‘hiccups’ (be sure to completely shut down the air compressor!). Check the isolation of the motor winding.
[pdf] If your compressor is experiencing loading or unloading issues, check the electrical components, such as the solenoid valves, and inspect mechanical components like the air filter, intake valve, and pressure switch.
[pdf] discover high-quality air compressor accessories including filters, valves, gauges, and spare parts to improve performance, extend lifespan, and ensure smooth operation of your screw compressor systems.
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